Hemorrhagic Stroke Flashcards
What is the shape of an epidural hematoma?
lemon/lens
What is the shape of a subdural hematoma?
banana/concave
What causes intraparenchymal hemorrhage?
HTN** old age** stimulant use** AVM aneurism vasculitis bleeding disorder hemorrhage into tumors
Where do intraparenchymal hemorrhages occur?
the basal ganglia (putamen)
thalamus
pons
cerebellar deep gray matter
What BV often tears to cause an epidural hematoma?
the middle meningeal artery
What causes subarachnoid hemorrhage?
aneurismal rupture (80%) AV malformation (15%) unknown (5%)
What are the s/s of subarachnoid hemorrhage?
worst HA of the pts life
cranial nerve palsy (esp #3)
What are the key factors of cerebral amyloid angiopathy?
old age
recurrent lobar hemorrhages that are well tolerated
amyloid crystals
no 1a therapy
Dx? old age recurrent lobar hemorrhages that are well tolerated amyloid crystals no 1a therapy
cerebral amyloid angiopathy
How are cerebral hemorrhages prevented?
control of BP no smoking anti-platelets/anti-coagulants helmets control aneurisms
What drugs can help reduce the amount of ischemic damage from vasospasm?
nimodipine
statins
What is an intra-parenchymal hemorrhage?
formed blood clots that dissect into the brain
Hemorrhagic transformation of ischemic stroke beds occurs mostly with ____.
large vessel cortical strokes
